Shrub rose plant named ‘POULbico’

ABSTRACT

A new ground cover rose plant which has abundant, non-fading, red-purple and lavender-striped flowers, vigorous growth, and attractive foliage. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation.

SUMMARY OF THE INVENTION

The present invention constitutes a new and distinct variety of shrubrose plant which originated from a controlled crossing between anunnamed seedling (non-patented) and unnamed seedling (non-patented). Thetwo parents were crossed and the resulting seeds were planted in acontrolled environment.

The new variety is named ‘POULbico’.

The new rose may be distinguished from its seed parent, an unnamedseedling, by the following combination of characteristics:

1. The seed parent is a floribunda rose with medium sized doubleflowers, while ‘POULbico’ is a shrub rose with single flowers.

2. The seed parent has deep pink, soft pink and white striped flowers.The pink colors are stronger than those of ‘POULbico’. Additionally,‘POULbico’ displays lavender stripes, where those of the seed parent arewhite.

The new variety may be distinguished from its pollen parent, an unnamedseedling, created by the same inventors, by the following combination ofcharacteristics:

1. The pollen parent is a floribunda with pink flowers, while ‘POULbico’is a shrub rose with striped flowers.

The objective of the hybridization of this rose variety for commercialgreenhouse culture was to create a new and distinct variety with uniquequalities, such as:

1. Uniform and abundant striped flowers;

2. Vigorous and compact growth;

3. Disease resistance and a low maintenance requirement in the lanscape.

This combination of qualities is not present in previously availablecommercial cultivars of this type and distinguish ‘POULbico’ from allother varieties of which we are aware.

As part of their rose development program, L. Pernille Olesen and MogensN. Olesen germinated the seeds from the aforementioned hybridization andconducted evaluations on the resulting seedlings in a controlledenvironment in Fredensborg, Denmark.

‘POULbico’ was selected by the inventors as a single plant from theprogeny of the hybridization in the spring of 1987 as a single plantfrom the progeny of the aforementioned hybridization.

Asexual reproduction of ‘POULbico’ by cuttings and traditional buddingwas first done by L. Pernille and Mogens N. Olesen in August, 1987 in anursery in Fredensborg, Denmark. This initial and other subsequentpropagations conducted in controlled environments have demonstrated thatthe characteristics of ‘POULbico’ are true to type and are transmittedfrom one generation to the next.

BRIEF DESCRIPTION OF THE DRAWING

The accompanying color illustration shows as true as is reasonablypossible to obtain in color photographs of this type, the typicalcharacteristics of the buds, flowers, leaves, stems, and a plant of‘POULbico’. Specifically illustrated in SHEET 1:

1. Stem or entire plant showing branching and the attachment of leaves,buds, and peduncles;

2. Flower bud, partially opened bud, and open bloom;

3. Flower petals, detached;

4. Sepals, receptacle, and pedicel;

5. Flowering stem as well as a bare stem exhibiting thorns;

6. Leaves.

DETAILED DESCRIPTION OF THE VARIETY

The following is a description of ‘POULbico’, as observed in its growthin our field nursery in Jackson County, Oreg. Color references are madeusing The Royal Horticultural Society (London, England) Colour Chart,1995, except where common terms of color are used.

For a comparison, several physical characteristics of the rose variety‘POULans’, a rose variety from the same inventors described andillustrated in U.S. Plant Pat. No. 9,664 and issued on Oct. 22, 1996compared to ‘POULbico’ in Chart 1.

CHART 1 ‘POULbico’ ‘POULans’ Petalage. 5 to 7 petals. 18 to 26 petals.Petal color, Red Group 53A with stripes Near Red Group 53A to uponopening, of Red Group 55B and Red 53B, changing to white at uppersurface. Group 56D. the base. Flower bloom 35 to 40 mm average 45-55 mmaverage flower size. diameter. flower diameter.

Classification:

Botanical.—Rosa hybrida.

Commercial.—Shrub.

FLOWER AND FLOWER BUD

Blooming habit: Recurrent.

Flower bud:

Size.—Upon opening, 18 mm-22 mm in length from base of receptacle to endof bud.

Bud form.—Short. Pointed ovoid.

Bud color.—As sepals unfold, Red Group 53A with areas of Red Group 56Aand 56D and Yellow Group 10D. Red Group 53A to Red-Purple Group 59B withvarigations/stripes of Red Group 54C, 55B, and 56D at ¼ opening.

Sepals.—Yellow-Green Group 146B. Weak foliaceous appendages. Stipitateglands are present in limited numbers on margins and outermost surfacesof sepals.

Receptacle.—Surface: Smooth. Shape: Urn-shaped. Size: Medium. 4 mm (h)×4mm (w). Color: Yellow-Green Group 146B.

Peduncle.—Surface: With numerous stipitate glands. Length: 25 to 30 mmaverage length. Color: Yellow-Green Group 146C. Strength: Erect.

Borne.—Multiple buds per stem. Generally with 8 to 12 buds per floweringstem.

Flower bloom:

Fragrance.—Moderate wild rose scent. Sweet floral.

Duration.—The blooms have a duration on the plant of approximately 3 to4 days. Petals fall cleanly away from plant.

Size.—Average flower diameter is 35-45 mm when open.

Form.—Shape of flower when viewed from the side: Upon opening, upperpart: Flattened convex. Upon opening, lower part: Convex. Open flower,upper part: Flat to flattened convex. Open flower, lower part: Flattenedconvex.

Petalage.—Single. Average range: 5 to 7 petals under normal conditionswith 2-3 petaloids.

Color:

Upon opening, petals.—Petals: Upper Surface: Red Group 53A withstripes/variegations of Red Gorup 55B and Red Group 56D. Reverse Side:Red Group 53A with variegations of Red Group 46A, 55B, 56A, and 56D.Some petals with midrib variegation of Red Group 56D — White Group 155C.

Upon opening, basal petal spots.—Outer Side: Yellow Group 4A. InnerSide: Yellow Group 9A-B.

After opening, petals.—Upper Surface: Red Group 53A-B with variegationsof Red Group 55B and Red Group 56D. Reverse Side: Red Group 53A-B withvariegations of Red Group 46A, 55B, 56A, and 56D.

After opening, basal petal spots.—Outer Side: Yellow Group 4B. InnerSide: Yellow Group 9B-C.

General tonality: Due to striped/variegated nature of the flower,general tonality not applicable. Red colors tend to finish moreRed-Purple 59B to 59C and Red-Purple Group 62C-D.

Petals:

Petal reflex.—Limited to none.

Petal edge.—Uniform.

Shape.—Deltoid to round.

Petaloids.—Present. Quantity: 2-3.

Thickness.—Average.

Arrangement.—Informal.

Reproductive organs:

Pollen.—Color: Yellow Group 13A. Abundance: Above average abundance.

Anthers.—Size: Small to medium. Color, immature: Yellow Group 13B.Color, mature: Greyed-Orange Group 164C to Brown Group 200C. Abundance:Above average abundance.

Filaments.—Color: Yellow-Orange Group 15B.

Stigmas.—At same position as anthers. Color: Yellow-Green Group 145D.

Styles.—Color: Yellow-Green Group 145D.

Hips.—None observed.

PLANT

Plant growth: Vigorous, bushy, and irregular. When grown as a buddedfield grown plant on R. multiflora understock, the average height of theplant itself is 90 cm and the average width is 120 cm.

Stems:

Color.—Young wood: Yellow-Green Group 146C. Older wood: Yellow-GreenGroup 146C.

Prickles.—Incidence: Above average numbers of thorns. On upper portionof flowering stems numerous small prickles present. Size: Averagelength: 5 mm-6 mm. Color: Yellow-Green Group 145D, turning toGreyed-Yellow Group 162B. Shape: Deeply concave.

Surface.—Young wood: Smooth. Older wood: Smooth.

Plant foliage: Quantity of leaflets on normal leaves in middle of thestem: 5 leaflets.

Leaf size.—75-85 mm (l)×55-60 mm (w).

Abundance.—Average.

Color.—Upper Leaf Surface: Green Group 137A. Lower Leaf Surface: GreenGroup 138B. Juvenile foliage: Upper surface: Green Group 137A. Lowersurface: Green Group 138B. Anthocyanin intonation: Location: Leafletmargins, undersides, veins, rachis, petiole, and stems of new shoots.Color: Greyed-Red Group 181A.

Plant leaves and leaflets:

Stipules.—Size: 14 mm-16 mm. Color: Green Group 137B. Stipitate glands:Present on margins.

Petiole.—Length: 20 mm-25 mm. Color: Green Group 137B. Underneath: Withstipitate glands and small prickles. Margins: With stipitate glands.

Rachis.—Color: Green Group 137B. Underneath: With stipitate glands andsmall prickles. Margins: With stipitate glands.

Leaflet.—Edge: Serrated. Shape: Ovate. The leaflet's apex is acuminate.The leaflet's base is rounded. Arrangement: The leaflets are arranged inan odd-pinnate formation. Venation: The leaflets are veined in areticulate pattern. Texture: Upper side of leaflet is moderately glossy.Lower side of leaflet is matte.

Disease resistance: Average resistance to mildew, black spot, andBotrytis under normal growing conditions in Jackson County, Oreg.

Winter hardiness: Winter hardy in Denmark and in Jackson County, Oreg.

We claim:
 1. A new and distinct variety of rose plant of the shrub class, substantially as herein illustrated and described as a distinct and novel rose variety due to its abundant, striped flowers, vigorous and compact growth, disease resistance, and suitability for use in landscape. 